Update diplomat (#5995)

JS supports fallible constructors (but not named constructors). This
needs more refined annotations.


We don't need the diplomat update yet, but it's good practice to update
it whenever we have something big in the pipeline to avoid headaches on
future updates.

Cargo.toml

@@ -213,10 +213,10 @@ icu_benchmark_macros = { path = "tools/benchmark/macros" }
 
 # The version here can either be a `version = ".."` spec or `git = "https://github.com/rust-diplomat/diplomat", rev = ".."`
 # Diplomat must be published preceding a new ICU4X release but may use git versions in between
-diplomat = { version = "0.9.0", default-features = false }
-diplomat-runtime = { version = "0.9.0", default-features = false }
-diplomat_core = { version = "0.9.0", default-features = false }
-diplomat-tool = { version = "0.9.0", default-features = false }
+diplomat = { git = "https://github.com/rust-diplomat/diplomat", rev = "c94ac61c7fd41cc0db045c22b23f2b27052aaa67", default-features = false }
+diplomat-runtime = { git = "https://github.com/rust-diplomat/diplomat", rev = "c94ac61c7fd41cc0db045c22b23f2b27052aaa67", default-features = false }
+diplomat_core = { git = "https://github.com/rust-diplomat/diplomat", rev = "c94ac61c7fd41cc0db045c22b23f2b27052aaa67", default-features = false }
+diplomat-tool = { git = "https://github.com/rust-diplomat/diplomat", rev = "c94ac61c7fd41cc0db045c22b23f2b27052aaa67", default-features = false }
 
 # EXTERNAL DEPENDENCIES
 #